Teflex Gasket is Spiral Wound Gasket China Manufacturer.Spiral Wound Gaskets Types: With Inner Ring, With Outer Ring & Type R As Usual. Thickness Ring 3.2mm & Filler 4.5mm. Teflex Supply The Carbon Steel/Stainless Steel 304/316L/Monel/Titanium Spiral Wound Gasket With Graphite Filler As ASME B16.20/DIN 2690/EN1514-2/JIS B 2404. We Can Mail Kinds Of Spiral Wound Gasket Dimensions/Size Chart With Pressure Rating Or Send Our Info@teflexgasket.com. Also, We Accept Custom Spiral Wound Gasket As Drawing Such As Oval, Oblong, Manhole, Handhole. About Outer Ring Surface Zinc Plate or Epoxy Yellow/Green As Usual, Color Code 1/2" to 1"Four Stripes Spaced 180 Deg, 1-1/2" to 2-1/2" Three Stripes Spaced 120 Deg, ≥3" Two Strips Spaced 90 Deg.Marking Custom Logo or Teflex's. When The Spiral Wound Finished Orders, We Will Send The 3.1 Material Test Report To You,Then Provide Spiral Wound Gasket HS Code To Forwarder & Arrange The Shipment.